This article introduces working principle and features of electronic switch machine, and gives the hardware and software composition of the testing system.
介绍转辙机试验台检测系统的工作原理及性能特点，给出检测系统的硬件和软件构成。
The composition and working principle, advantages of secondary power switch were introduced.
介绍了二次送电开关的结构、工作原理及优点。
The article describes the origination of sleeper hydraulic pressure switch machine design and explains its structure, working principle, characteristics, and application effects.
介绍了轨枕型液压转辙机的设计由来，并简要说明了其结构、工作原理、技术特点及应用效果。
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